SYNONYMS: 5-FOA; 2,6-Dihydroxy-5-fluoropyrimidine-4-carboxylic acid ; 5-Fluorouracil-4-carboxylic acid; 5-Fluoroorotic acid hydrate; 5-Fluoroorotate; 4-Pyrimidinecarboxylic Acid; 5-Fluoro-1,2,3,6-Tetrahydro-2,6-Dioxo-(9CI); 1,2,3,6-Tetrahydro-2,6-Dioxo-5-Fluoro-4-Pyrimidinecarboxylic Acid; 5-Fluoro-6-Carboxyuracil